/* Base styles for a professional light mode */
:root {
    --primary-color: #1e88e5;
    --secondary-color: #e3f2fd;
    --text-color: #1e1e1e;
    --bg-color: #ffffff;
    --card-bg: #f7f9fc;
    --gray-text-color: #6b7280;
    --border-color: #d1d5db;
    --red-color: #dc2626;
}

/* Dark Mode styles for a clean, deep look */
body.dark {
    --primary-color: #1565c0;
    --secondary-color: #1e4d82;
    --text-color: #e0e0e0;
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --gray-text-color: #9e9e9e;
    --border-color: #424242;
    --red-color: #ef4444;
}

body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    background: var(--bg-color);
    color: var(--text-color);
}

.content-item-image {
    width: 100%;
    height: 200px;
    object-fit: contain;
    border-radius: 0.75rem;
}

.gallery-image {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    border-radius: 1rem;
}

.gallery-thumbnail {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 0.5rem;
    opacity: 0.6;
    transition: opacity 0.2s ease-in-out;
    cursor: pointer;
}

.gallery-thumbnail.active,
.gallery-thumbnail:hover {
    opacity: 1;
    border: 2px solid var(--primary-color);
}

/* Adjusted element backgrounds for color scheme */
.bg-white {
    background-color: var(--bg-color) !important;
}

.bg-gray-50 {
    background-color: var(--card-bg) !important;
}

.dark .bg-gray-50,
.dark .bg-white {
    background-color: var(--card-bg) !important;
}

.dark .bg-gray-100 {
    background-color: #2a3038 !important;
}

.dark .bg-gray-700 {
    background-color: #2a3038 !important;
}

.dark .bg-gray-800 {
    background-color: #1f242b !important;
}

.bg-gray-800 {
    background-color: var(--card-bg) !important;
}

.dark .text-gray-800 {
    color: var(--text-color);
}

.dark .text-gray-600 {
    color: var(--gray-text-color);
}

.dark .text-gray-500 {
    color: var(--gray-text-color);
}

.dark .border-gray-300 {
    border-color: var(--border-color);
}

/* Darker search bar in dark mode as requested */
.dark #searchInput {
    background-color: #1f242b;
    /* Dark background in dark mode */
    color: var(--text-color);
    /* Light text in dark mode */
    border-color: var(--border-color);
}

/* Light search bar in light mode */
#searchInput {
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* Tab colors */
.tab-button {
    transition: all 0.2s ease-in-out;
    white-space: nowrap;
}

.tab-button.tab-active {
    color: var(--primary-color);
    background-color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 8px;
    transform: scale(1.1);
}

.dark .tab-button.tab-active {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 8px;
    transform: scale(1.1);
}

.subtab-active {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.dark .subtab-active {
    border-color: #64b5f6;
    color: #64b5f6;
}

/* Backgrounds for each section */
/* Changed to use pseudo-element for full-screen fixed background */
#main-content-wrapper {
    position: relative;
    min-height: 100vh;
}

#main-content-wrapper::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-size: cover;
    background-position: center;
    transition: background-image 0.5s ease-in-out;
}

.bg-home::before {
    background-image: url('https://images.unsplash.com/photo-1517430816045-93c76f63480a?q=80&w=2070&auto-format&fit=crop');
}

.bg-courses::before {
    background-image: url('https://images.unsplash.com/photo-1549490349-011867160759?q=80&w=2070&auto-format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
}

.bg-software::before {
    background-image: url('https://images.unsplash.com/photo-1517430816045-93c76f63480a?q=80&w=2070&auto-format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
}

.bg-games::before {
    background-image: url('https://iili.io/KJffhQ4.jpg');
}

.bg-assets::before {
    background-image: url('https://images.unsplash.com/photo-1521791136064-75463f253e7f?q=80&w=2070&auto-format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
}

.bg-ai::before {
    background-image: url('https://images.unsplash.com/photo-1695420364858-6936d9342407?q=80&w=2070&auto-format&fit=crop');
}

.bg-books::before {
    background-image: url('https://images.unsplash.com/photo-1521791136064-75463f253e7f?q=80&w=2070&auto-format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
}

.content-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.8);
}

.dark .content-overlay {
    background-color: rgba(13, 17, 23, 0.9);
}

/* CSS for the animated dots */
.verify-dots {
    font-weight: bold;
}

.verify-dots::after {
    content: '...';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%,
    20% {
        content: '';
    }

    40% {
        content: '.';
    }

    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}